Science, Decision and Value Editat de J J Leach et al. 28 feb 1973 Hardback Preț: 988.64 lei 1205.66 lei 43-57 zile -18%
Conceptual Change Editat de G a Pearce et al. 31 iul 1973 Hardback Preț: 987.05 lei 1203.72 lei 43-57 zile -18%